It's the same race he won for Team USA at the 2000 Sydney games — at the age of 19.

Ervin has seemingly lived multiple lives the past 16 years.

He retired from swimming in 2003. He traveled the world, moved to New York, joined a rock band and got a bunch of tattoos.

Ervin has Jewish, African American and Native American roots.

"Post-Olympic champion status was about rediscovering, rebuilding myself the way I wanted to be, not the way others — or at least the way I perceived others — wanted me to be," he told "CBS this Morning."